Mailbox



FIG. 1 is a front elevational view of a mailbox showing my new design;

FIG. 2 is a right side elevational the left side being a mirror image;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for the mailbox, as shown and described. 